Area Code +420-730-(300000...309999) located in Public mobile network, more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 730 Subscriber Number From : 300000 Subscriber Number To : 309999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) Carrier Name : GTS Czech s.r.o. Click here to buy Czech Republic Area Code Database Other Information Language Code : cs (Czech) Country Number : 203 (Czech Republic) Country Code : CZ (Czech Republic) City : Public mobile network Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.0800 Longitude : 14.4400 ‹ previous : +420-730-(000000...299999) next › : +420-730-(320000...329999) Dialling Instructions For trunk calls: - 730 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 730 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +420-730-300000 / 00420-730-300000 (730-300000 / -730-300000) +420-730-300001 / 00420-730-300001 (730-300001 / -730-300001) +420-730-300002 / 00420-730-300002 (730-300002 / -730-300002) +420-730-300003 / 00420-730-300003 (730-300003 / -730-300003) +420-730-300004 / 00420-730-300004 (730-300004 / -730-300004) ...+420-730-xxxxxx / 00420-730-xxxxxx (730-xxxxxx / -730-xxxxxx) ...+420-730-309995 / 00420-730-309995 (730-309995 / -730-309995) +420-730-309996 / 00420-730-309996 (730-309996 / -730-309996) +420-730-309997 / 00420-730-309997 (730-309997 / -730-309997) +420-730-309998 / 00420-730-309998 (730-309998 / -730-309998) +420-730-309999 / 00420-730-309999 (730-309999 / -730-309999)